#ifndef BASIC_OP_H

#define BASIC_OP_H





#include "config.h"





#define NULL 0



#define DB_SHIFT 10

#define EPSILON 1

#define VERY_SMALL 0

#define VERY_LARGE16 ((short)32767)

#define Q15_ONE (32767)



#ifndef HW_HIFI3

#define ABS(x) ((x) < 0 ? (-(x)) : (x))      /**< Absolute integer value. */

#else

#define ABS(x) (XT_ABS(x))

//#define ABS(x) ((int)(AE_ABS32S_scalar(x)))

//#define ABS(x) ((short)(AE_ABS16S_scalar(x)))

#endif



#ifndef HW_HIFI3

#define SPEECH_MIN(a,b) ((a) < (b) ? (a) : (b))   /**< Minimum 16-bit value.   */

#define SPEECH_MAX(a,b) ((a) > (b) ? (a) : (b))   /**< Maximum 16-bit value.   */

#else

#define SPEECH_MIN(a,b) (XT_MIN(a,b))   /**< Minimum 16-bit value.   */

#define SPEECH_MAX(a,b) (XT_MAX(a,b))   /**< Maximum 16-bit value.   */

//#define SPEECH_MIN(a,b) ((int)(AE_MIN32(a,b)))   /**< Minimum 16-bit value.   */

//#define SPEECH_MAX(a,b) ((int)(AE_MAX32(a,b)))   /**< Maximum 16-bit value.   */

#endif



#ifndef HW_HIFI3

#define SSC_MUL(a,b) ((a)*(b))

#else

#define SSC_MUL(a,b) ((int)((long long)(AE_MUL32_HH(a, b))))

#endif





#ifdef HW_HIFI3

#define FFT_MUL_16_32(a,b) ((int)((long long)(AE_MUL32X16_H0(b, a))))

#endif





#define EXTRACT16(x) ((short)(x))

#define EXTEND32(x) ((int)(x))



/** "RAW" macros, should not be used outside of this header file */





//#ifndef HW_HIFI3x





#define SHR(a,shift) ((a) >> (shift))

#define SHL(a,shift) ((a) << (shift))



//



//#define FFT_SHRI(a,shift) ((int)((long long)ae_int64 AE_INT64_SRAI(a,shift))

//#else

//#define SHR(a,shift) (XT_SRAI(a, shift))

//#define SHL(a,shift) (XT_SLLI(a, shift))







#ifndef HW_HIFI3x

#define SSC_PSHR(a,shift) (SHR((a)+((EXTEND32(1)<<((shift))>>1)),shift))

#else

#define SSC_PSHR(a,shift) (SHR((a)+(((1<<(shift-1)))),shift))

#endif





#ifndef HW_HIFI3

#define SSC_VSHR(a, shift) (((shift)>0) ? SHR(a, shift) : SHL(a, -(shift)))

#else

#define SSC_VSHR(a, shift) ((int)(AE_INT32_SLA(a,-(shift))))

//AE_INT32_SLA

#endif





/** Shift by a and round-to-neareast 32-bit value. Result is a 16-bit value */

#define ROUND16(x,a) (EXTRACT16(SSC_PSHR((x),(a))))



#ifndef HW_HIFI3

#define HALF(x)  (SHR(x,1))

#else

#define  HALF(x) (XT_SRAI(x, 1))

#endif

/** Add two intager values */



#ifndef HW_HIFI3

#define SSC_ADD(a,b) ((a)+(b))

#define SSC_SUB(a,b) ((a)-(b))

#else

#define SSC_ADD(a,b) (XT_ADD(a,b))

#define SSC_SUB(a,b) (XT_SUB(a,b))

#endif







/** 16x16 multiplication where the result fits in 16 bits */



#ifndef HW_HIFI3

#define SSC_MULT16x16(a,b) ((a)*(b))

#else

#define SSC_MULT16x16(a,b) ((int)(AE_MUL16S(a, b)))

#endif



#define SSC_MULT16x16_Q15(a,b) (SHR(SSC_MULT16x16((a),(b)),15))

#define SSC_MULT16x16_P15(a,b) (SHR(SSC_ADD(16384,SSC_MULT16x16((a),(b))),15))



//#define F_MULT16_32_Q15(a,b) SSC_ADD(SHL(SSC_MULT16x16((a),SHR((b) ,16)),1), SHR(SSC_MULT16x16((a),((b)&0x0000ffff)),15))

//#define F_MULT16_32_Q15(a,b) SSC_ADD(SHL(SSC_MULT16x16((a),SHR((b) ,16)),1), SHR(SSC_MULT16x16((a),((b)&0x0000ffff)),15))









#ifndef HW_HIFI3

#define SSC_MULT16x16SU(a,b) ((int)(short)(a)*(int)(unsigned short)(b))

#else

#define SSC_MULT16x16SU(a,b) ((int)((long long)(AE_MUL32X16_H0(b,a))))

//#define SSC_MUL(a,b) ((int)((long long)(AE_MUL32_HH(a, b))))

#endif





#define SSC_MULT16x32_Q16(a,b) SSC_ADD(SSC_MULT16x16((a),SHR((b),16)), SHR(SSC_MULT16x16SU((a),((b)&0x0000ffff)),16))

//#define SSC_MULT16x32_Q15(a,b) SSC_ADD(SHL(SSC_MULT16x16((a),SHR((b),16)),1), SHR(SSC_MULT16x16SU((a),((b)&0x0000ffff)),15))



#ifndef OPT_KHW_BASIC_OP

#ifndef Basicop_opt_hifi3_ZH_BX

#define SSC_MULT16x32_Q15(a,b) SSC_ADD(SHL(SSC_MULT16x16((a),SHR((b),16)),1), SHR(SSC_MULT16x16SU((a),((b)&0x0000ffff)),15))

#else

#define SSC_MULT16x32_Q15(a,b) ((int)(((long long)(AE_MUL32_HH(a, b))>>15)))

#endif

//#define SSC_MULT16x32_Q15(a,b) (( ((long long)a)*b   )>>15)

/*

16-bit by 32-bit signed multiply returning 32-most-significant-bits, top SMULWT 1 

*/

#else



#define SSC_MULT16x32_Q15 MULT16_32_Q15_asm



int MULT16_32_Q15_asm(short a, int b);





#ifndef HW_FOR_GCC

int MULT16_32_Q15_asm_ver2(short a, int b);

#endif



#endif





#define SRAImmediate(x,a) (XT_SRAI(x,a))







//////////// BitÀÌ ¾à°£ Ʋ¾îÁú¼öµµ ÀÖÁö¸¸ Å« »ó°ü¾øÀ»°ÍÀ¸·Î ¿¹»ó //////////////////

#ifndef Basicop_BX1

#define SSC_MULT32x32_Q31(a,b) SSC_ADD(SSC_ADD(SHL(SSC_MULT16x16(SHR((a),16),SHR((b),16)),1), SHR(SSC_MULT16x16SU(SHR((a),16),((b)&0x0000ffff)),15)), SHR(SSC_MULT16x16SU(SHR((b),16),((a)&0x0000ffff)),15))

#else

#define SSC_MULT32x32_Q31(a,b) ((int)(((long long)(AE_MUL32_HH(a, b))>>31)))

#endif

//#define SSC_MULT32x32_Q31(a,b) ((int)(((long long)(AE_MUL32_HH(a, b))>>31)))

///////////////////////////////////////////////////////////////////////////////////////



// for Kalimba

//#define SSC_MULT32x32_Q31(a,b) SSC_ADD(SHR(SSC_MULT16x16((long long)a,SHR((b),16)),15) , SHR(SSC_MULT16x16SU(SHR((a),16),((b)&0x0000ffff)),15) )

// for test

//#define SSC_MULT32x32_Q31(a,b) (((long long)a*b)>>31)











//#define S_MUL(a,b) F_MULT16_32_Q15(b, a)

#define S_MUL(a,b) SSC_MULT16x32_Q15(b, a)





#ifndef HW_HIFI3

#define HALF_OF(x) ((x)>>1)

#else

#define  HALF_OF(x) (XT_SRAI(x, 1))

#endif









#ifndef HW_HIFI3

static int ec_ilog(unsigned int _v)

{

  int ret, m;

 



  ret=!!_v;

  m=!!(_v&0xFFFF0000)<<4;

  _v>>=m;

  ret|=m;

  m=!!(_v&0xFF00)<<3;

  _v>>=m;

  ret|=m;

  m=!!(_v&0xF0)<<2;

  _v>>=m;

  ret|=m;

  m=!!(_v&0xC)<<1;

  _v>>=m;

  ret|=m;

  ret+=!!(_v&0x2);

  return ret;

}



#define EC_ILOG(_x) (ec_ilog(_x))

#else

#define EC_ILOG(_x) (31-AE_NSAZ32_L(_x))

#endif

#endif